Ping-pong (single player and double players available) 1.left player - W/S to serve and move, A/D to spin. 2.right player - ↑/↓ to serve and move, ←/→ to spin. when the ball touches the bat, players can immediately press A/D button or ←/→ button to spin, and the ball will move in a curve. 控制：(單人及雙人皆可玩) 1.左球拍按 W/S鍵 發球與移動，A/D鍵 旋球。 2.右球拍按 ↑/↓鍵 發球與移動，←/→鍵 旋球。 球接觸拍子時，立即按A/D鍵或←/→鍵可旋球。
入射角與反射角的設定 感謝小嬋老師提供的範本，與幫忙測試並提供意見回饋的玩家:玫芬 、瑞蓮姑姑、羽承阿姨、道哥。
